One side coated with gold base film
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6685-00-947-0059
NSN 5945-00-155-4290
NSN 6320-01-100-7554
NSN 5915-01-550-5594
NSN 6650-01-257-4724
NSN 6220-00-915-9871
NSN 5996-01-647-4924
NSN 5950-01-528-7143
NSN 2925-01-239-6044
NSN 6240-00-456-2578
NSN 6650-01-442-1440
NSN 5895-01-567-2308